Maintenance; Service Information; General Information; Interior Access - Fluke 8010A Instruction Manual

Section 4
Maintenance
WARNING
THESE SERVICE INSTRUCTIONS
ARE FOR USE BY
QUALIFIED
PERSONNEL
ONLY.
TO
AVOID ELECTRIC SHOCK,
DO NOT
PERFORM ANY
SERVICING
OTHER THAN THAT
CONTAINED
IN
THE OPERATING INSTRUCTIONS UNLESS YOU ARE
QUALIFIED
TO DO
SO.
4-1.
INTRODUCTION
4-2.
This
section of the
manual
contains
maintenance
information for
both
the
Model 8010A
and
the
Model
8012A
Digital
Multimeters. This
maintenance
information
is
divided
into service
information, general
maintenance,
a
performance
test,
a calibration
procedure, and
a
troubleshooting procedure.
The
Performance Test
is
recommended
as
an acceptance
test
when
the instrument
is
first
received,
and
later as
a
preventive
maintenance
tool to verify
proper instrument
operation.
A
1-year calibration cycle
is
recommended
to
maintain the specifications
given
in
Section
1.
The
test
equipment
required for
both
the
performance
test
and
calibration
procedure
is
listed in
Table
4-1.
If
the
recommended
equipment
is
not
available,
instruments
having equivalent specifications
may
be used.
4-3.
SERVICE
INFORMATION
4-4,
The 8010A and 8012A
are
both warranted
for
a
period of 1-year
upon
delivery to the original purchaser.
Conditions of the
warranty
are
given
at
the front of
this
manual.
4-5.
Malfunctions which occur within the
limits
of the
warranty
will
be corrected
at
no
charge.
Mail
the
instrument (post paid) to
your
nearest
authorized Fluke
Technical Service Center.
A
list
of
Fluke
Technical
Service
Centers
is
given
in
Section
5.
Dated proof
of
purchase
is
required for
all
in-warranty
repairs.
4-6,
Factory authorized service centers are also
available for calibration
and/or
repair of
instruments
that are
beyond
their
warranty
period.
Contact your
nearest
authorized
Fluke Technical
Service
Center
for a
cost quotation.
Ship the instrument
and your
remittance
according
to
the instructions
given
by
the Service Center.
4-7.
GENERAL
INFORMATION
4-8.
Interior
Access
NOTE
To
avoid contaminating
the
pcb
with
oil
from
the fingers,
handle
it
by
the edges or
wear
gloves.
If
the
pcb
does
become
contaminated,
refer to the cleaning
procedures
given
later
in
this section.
4-9.
CALIBRATION ACCESS
4-10.
Use
the following
procedure
to gain access to the
calibration
adjustments of
your
instrument:
1.
Set the
POWER
switch
to
OFF.
2.
Disconnect the
power
cord
from
rear of the
instrument.
3
.
Remove
screw
located directly
below
the
power
receptacle.
4.
Grasp
the front
panel
and
slide
the instrument
out of the case.
5.
Turn
the instrument upside
down.
6.
All calibration adjustments are
now
accessible.
NOTE
With
the
power
cord
replaced, the
instrument
is
operational for troubleshooting.
WARNING
DANGEROUS VOLTAGES
EXIST
ON
THE
PCB ASSEMBLIES
WHEN
ENERGIZED.
EXERCISE
EXTREME CARE
WHEN
WORKING ON AN
ENERGIZED
CIRCUIT.
7.
To
reassemble, reverse the previous procedures
in
a
logical order.
4-1